Advertisements
Advertisements
प्रश्न
Tick (√) the correct alternative from the choice given for the following statement
A pop sound is heard when a lighted match stick is brought near the mouth of a jar. This indicates the release of gas.
पर्याय
oxygen
hydrogen
nitrogen
water-vapour
Advertisements
उत्तर
hydrogen
APPEARS IN
संबंधित प्रश्न
Classify the following changes as physical or chemical:- melting of a solid (wax)
Fill in the blank
Changes that occur in nature are called ______
The rusting of an iron object is called :
Name the following:
The term involved in the change of state from – ‘water to ice’ – which is a physical change.
Select the chemical changes from the following list of changes
Drying of a fruit
Name the following.
The salt obtained when a chemical change takes place on the addition of iron to dilute sulphuric acid.
When solute is dissolved in a solvent it forms a solution.
The change of state of a substance from solid to liquid and liquid to gas is ______.
Cutting a log of wood into pieces is a chemical change.
Mention a few physical properties of a substance.
